Side by side
NPPES NPI Registry vs PRIME
Both stand on healthcare provider directories. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIWeb
NPPES provides several ways to look up or obtain active NPI records, with detailed search fields and downloadable data. Check query limits, file versions, and the public-disclosure terms before relying on it for a workflow.
Visit NPPES NPI Registry Paid Web
Consider PRIME if your organization needs to manage provider records across credentialing, payer enrollment, directories, and compliance. Pricing is customized, and Atlas says most modules take under four weeks to deploy.
Visit PRIMEThe facts
| NPPES NPI Registry | PRIME | |
|---|---|---|
| Free plan | Yes | Not published |
| Open source | Not published | Not published |
| Runs on | API, Web | Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | npiregistry.cms.hhs.gov | atlassystems.com |
| On healthcare provider directories | #5 of 16 | #16 of 16 |
NPPES NPI Registry: what it does well
- Free access through web search, API, and downloads.
- Search by provider, organization, taxonomy, or location.
- ZIP downloads include name, location, and endpoint references.
- Version 2 dissemination files are recommended.
What to know first
- Search results stop at the first 2,100 records.
- Hourly query limits apply.
- Active NPI records cannot be suppressed or opted out.
- CMS offers no technical support for dissemination files.
PRIME: what it does well
- Consolidates records from multiple provider-data systems.
- Checks directory information through a six-layer verification framework.
- Tracks license expirations, sanctions, and exclusion-list changes.
- Automates payer-specific roster submissions and reconciliation.
- Supports FHIR, HL7, and X12 EDI.
What to know first
- Pricing is customized and available on request.
- Atlas says most modules deploy in under four weeks.
Alternatives to NPPES NPI Registry Alternatives to PRIME The whole list